benedict changed the rules, allowing the cardinals to move up the conclave start date if all of them arrive at the vatican before the usual 15-day waiting period ends. benedict's resignation takes effect this coming thursday. >>> prosecutors in italy have asked that manslaughter charges be brought against the captain of "the costa concordia" cruise ship. francisco schettino was at the helm when the ship slammed against a reef and capsized more than a year ago. 32 people, including 2 americans, died in that accident. >>> and coming up after the break, stocks sliding yet again, just days after a historic high. >>> plus, one year later. today, a community remembers trayvon martin. >>> and meltdown, big-time. a traveler's epic tantrum at the check-in counter. all of it, yep, caught on camera. >>> welcome back, everybody. well, fresh fears are sending stocks lower this morning. with no clear winner in italy's national election, investors are worried that europe's debt crisis may return. u.s. markets plunged yesterday because of that news and also because of budget cut fears back here at h